1940–1949
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1945
Dr. Wolff & Tritschler OHG, 1933
Dr. Wolff & Tritschler OHG, 1935
Dr. Wolff & Tritschler OHG, 1942
Dr. Wolff & Tritschler OHG, 1934